. >> reporter: to present the biggest award of the night, first lady michelle obama made a live appearance from the white house. >> and the oscar goes to.argo. >> reporter: the film set during the iranian hostage crisis, was also recognized for editing and adapted screenplay. >> i thank everyone in the movie, on the movie, worked the movie, did anything with this movie, gets thanked, i want to thank canada, i want to thank our friends in iran, living in terrible circumstances right now. ♪ >> one day more. >> reporter: "les miserables" also won three oscars, including best supporting actress, anne hathaway. >> it came true! ♪ >> adele performed "skyfall," which won for best song. >> reporter: "life of pi" took home four oscars, the most of any film, including best director for ang lee. >> thank you movie gods! >> reporter: daniel day lewis became the first person to win three times in the leading actor category, this year for "lincoln." >> since we got married 16 years ago, my wife rebecca has lived with some very strange men. >> reporter: twitter lit up after jennifer lawrence tripped